CVE-2026-28383 - Vulnerability Details - OpenCVE

A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Grafana	Grafana

No data.

No data.

References

Link	Providers
https://www.spirityenterprise.com/pentest
https://www.spirityenterprise.com/managed-detection-response
https://www.spirityenterprise.com/mdr-for-endpoint
https://grafana.com/security/security-advisories/cve-2026-28383

History

Thu, 14 May 2026 15:45:00 +0000

Type	Values Removed	Values Added
Weaknesses	CWE-221

Thu, 14 May 2026 14:15:00 +0000

Type	Values Removed	Values Added
First Time appeared		Grafana Grafana grafana
Vendors & Products		Grafana Grafana grafana

Thu, 14 May 2026 13:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-770
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 13 May 2026 22:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-221

Wed, 13 May 2026 20:00:00 +0000

Type	Values Removed	Values Added
Description		A request to the Grafana plugin resources endpoint can cause unbounded memory allocation by reading the entire request body into memory. An authenticated user can exploit this to trigger an out-of-memory condition, potentially causing a denial of service.
Title		Grafana plugin resources can lead to unbounded memory allocation
References		https://grafana.com/security/security-advisories/cve-2026-28383
Metrics		cvssV3_1 `{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}`

MITRE

Status: PUBLISHED

Assigner: GRAFANA

Published: 2026-05-13T19:28:36.952Z

Updated: 2026-05-14T12:36:22.328Z

Reserved: 2026-02-27T07:16:12.219Z

Link: CVE-2026-28383

Vulnrichment

Updated: 2026-05-14T12:36:08.072Z

NVD

Status : Awaiting Analysis

Published: 2026-05-13T20:16:20.130

Modified: 2026-05-14T16:21:02.930

Link: CVE-2026-28383

Redhat

No data.

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